<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>task 8</title>
	<link rel="stylesheet" type="text/css" href="css/task8.css">
</head>
<body>
	<!-- 参考网址: http://j4n.co/blog/Creating-your-own-css-grid-system -->
	<div class="grid-container outline">
		<div class="grid-row">
			<div class="grid-col-4">四栏</div>
			<div class="grid-col-4">四栏</div>
			<div class="grid-col-4">四栏</div>
		</div>
		<div class="grid-row">
			<div class="grid-col-3">三栏</div>
			<div class="grid-col-6">六栏</div>
			<div class="grid-col-3">三栏</div>
		</div>
		<div class="grid-row">
			<div class="grid-col-1">一栏</div>
			<div class="grid-col-1">一栏</div>
			<div class="grid-col-2">二栏</div>
			<div class="grid-col-2">二栏</div>
			<div class="grid-col-6">六栏</div>
		</div>
	</div>
</body>
</html>